ACQUITY QDa Standard (KAD) Performance Maintenance Kit

Ensure optimal performance and reliability of your mass detection system with the Waters™ Performance Maintenance Kit for the ACQUITY QDa Standard (KAD serial numbers). This annual service kit is designed to support consistent system sensitivity and uptime, helping laboratories maintain the precision needed for accurate LC-MS data acquisition.

This comprehensive maintenance kit includes a curated selection of Waters Quality Parts™ engineered specifically for the ACQUITY QDa detector. It contains all the key components required for preventative maintenance, such as seals and gaskets, a calibration pin, pinch valve, aperture disk assembly, and air filters. These parts are tested and validated to meet the same high standards as the original instrument components, ensuring compatibility and dependable performance.

Although the kit does not include a Probe Assembly, Waters highly recommends replacing the probe at the same time to preserve sensitivity and signal consistency—especially in high-throughput or demanding applications. Additionally, labs operating the system for extended hours should consider pairing this kit with the Diaphragm Pump Service Kit to address deeper wear-and-tear concerns and maximize instrument longevity.

Routine maintenance is essential for labs that rely on LC-MS workflows to deliver accurate results. The use of authorized Waters kits simplifies the process of annual service, reduces unexpected downtime, and preserves data quality in regulated and research settings alike.

Whether you're performing compliance-driven analyses or supporting investigative research, the ACQUITY QDa Performance Maintenance Kit helps ensure your mass detector remains in excellent working condition. Trust Waters to deliver the reliability, quality, and support your lab needs.

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FAQs: ACQUITY QDa Standard (KAD) Performance Maintenance Kit

What components are included in this maintenance kit?
The kit includes essential parts such as seals and gaskets, a calibration pin, pinch valve, aperture disk assembly, and air filters. All components are certified Waters Quality Parts™ to ensure optimal system performance and fit.

Do I need to replace the Probe Assembly when using this kit?
While the Probe Assembly is not included, Waters strongly recommends replacing it during annual maintenance to maintain signal sensitivity and reduce variability in performance. You can find the appropriate probe assembly compatible with your QDa system on Waters.com.

How often should I use this kit?
The Performance Maintenance Kit is designed for annual use. However, high-usage labs may require more frequent service or supplemental parts like the Diaphragm Pump Service Kit, depending on hours of operation and environmental conditions.

What other maintenance kits are available for mass detection systems?
For related service solutions, consider the ACQUITY QDa UPH Performance Maintenance Kit, designed for UPH serial number configurations. This kit also supports reliable, long-term instrument operation and system care.